The chicken and egg question in excitonic insulators

1. Nature of symmetry breaking at the excitonic insulator transition: Ta2NiSe5
Authors: G. Mazza, M. Rösner, L. Windgätter, S. Latini, H. Hübener, A. J. Millis, A. Rubio, and A. Georges
Phys. Rev. Lett. 124, 197601 (2020); DOI: 10.1103/PhysRevLett.124.197601

2. Nonlinear spectroscopy of collective modes in excitonic insulator
Authors: D. Golež, Z. Sun, Y. Murakami, A. Georges, and A. J. Millis
arXiv:2007.09749

Recommended with a commentary by Atsushi Fujimori, Waseda University
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DOI: 10.36471/JCCM_August_2020_01
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Can electrons attract each other without the help of phonons?

1. Electron attraction mediated by Coulomb repulsion
Authors: A. Hamo, A. Benyamini, I. Shapir, I. Khivrich, J. Waissman, K. Kaasbjerg, Y. Oreg, F. von Oppen, and S. Ilani
Nature 535, 395 (2016); DOI: 10.1038/nature18639

2. Charge Transfer Excitations, Pair Density Waves, and Superconductivity in Moire Materials
Authors: Kevin Slagle and Liang Fu
arXiv:2003:13690

3. Correlated double-electron additions at the edge of a two-dimensional electronic system
Authors: Ahmet Demir, Neal Staley, Samuel Aronson, Spencer Tomarken, Ken West, Kirk Baldwin, Loren Pfeiffer, and Raymond Ashoori
arXiv:2001:09913

Recommended with a commentary by Patrick A. Lee, MIT
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DOI: 10.36471/JCCM_August_2020_02
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The pressure in solute-driven surface flows

Diffusio-osmosis and wetting on solid surfaces: a unified description based on a virtual work principle
Authors: Nigel Clarke, Nigel Gibbions and Didier R. Long
Soft Matter 16, 3485 (2020); DOI: 10.1039/C9SM02118C

Recommended with a commentary by Sriram Ramaswamy, Indian Institute of Science, Bengaluru
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DOI: 10.36471/JCCM_August_2020_03
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A collider for anyons

Fractional statistics in anyon collisions
Authors: H. Bartolomei, M. Kumar, R. Bisognin, A. Marguerite, J.-M. Berroir, E. Bocquillon, B. Plaçais, A. Cavanna, Q. Dong, U. Gennser, Y. Jin, and G. Fève
Science 368, 173–177 (2020); DOI: 10.1126/science.aaz5601

Recommended with a commentary by Steven M. Girvin, Yale University
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DOI: 10.36471/JCCM_July_2020_01
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At Last! Measurement of fractional statistics

Direct observation of anyonic braiding statistics at the ν = 1/3 fractional quantum Hall state
Authors: James Nakamura, Shuang Liang, Geoffrey C. Gardner, and Michael J. Manfra
arXiv:2006.14115

Recommended with a commentary by Steven A. Kivelson (Stanford University) and Charles M. Marcus (Niels Bohr Institute, University of Copenhagen, and Microsoft Quantum Lab–Copenhagen)
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DOI: 10.36471/JCCM_July_2020_02
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Can one hear the lineshape of a quantum drum?

Observation of a marginal Fermi glass using THz 2D coherent spectroscopy
Authors: Fahad Mahmood, Dipanjan Chaudhuri, Sarang Gopalakrishnan, Rahul Nandkishore, and N.P. Armitage
arXiv:2005.10822

Recommended with a commentary by S.A. Parameswaran, University of Oxford
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DOI: 10.36471/JCCM_June_2020_01
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Machine learning many-electron wave functions via backflow transformations

1. Backflow Transformations via Neural Networks for Quantum Many-Body Wave-Functions
Authors: D. Luo and B. K. Clark
Phys. Rev. Lett. 122, 226401 (2019); DOI:10.1103/PhysRevLett.122.226401
arXiv:1807.10770

2. Ab-Initio Solution of the Many-Electron Schrödinger Equation with Deep Neural Networks
Authors: D. Pfau, J. S. Spencer, A. G. de G. Matthews, and W. M. C. Foulkes
arXiv:1909.02487

3. Deep neural network solution of the electronic Schrödinger equation
Authors: J. Hermann, Z. Schätzle, and F. Noé
arXiv:1909.08423

Recommended with a commentary by Markus Holzmann, Univ. Grenoble Alpes, CNRS, LPMMC
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DOI: 10.36471/JCCM_May_2020_01
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AI theorist? Not yet

AI Feynman: A physics-inspired method for symbolic regression
Authors: Silviu-Marian Udrescu and Max Tegmark
Sci. Adv. 6 : eaay2631, 2020; DOI: 10.1126/sciadv.aay2631

Recommended with a commentary by Ilya Nemenman, Emory University
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DOI: 10.36471/JCCM_May_2020_02
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What drives superconductivity in twisted bilayer graphene?

1. The interplay of insulating and superconducting orders in magic-angle graphene bilayers
Authors: Petr Stepanov, Ipsita Das, Xiaobo Lu, Ali Fahimniya, Kenji Watanabe, Takashi Taniguchi, Frank H. L. Koppens, Johannes Lischner, Leonid Levitov, and Dmitri K. Efetov
arXiv:1911.09198

2. Decoupling superconductivity and correlated insulators in twisted bilayer graphene
Authors: Yu Saito, Jingyuan Ge, Kenji Watanabe, Takashi Taniguchi, and Andrea F. Young
arXiv:1911.13302

3. Tuning electron correlation in magic-angle twisted bilayer graphene using Coulomb screening
Authors: Xiaoxue Liu, Zhi Wang, K. Watanabe, T. Taniguchi, Oskar Vafek, and J.I.A. Li
arXiv:2003.11072

4. Nematicity and Competing Orders in Superconducting Magic-Angle Graphene
Authors: Yuan Cao, Daniel Rodan-Legrain, Jeong Min Park, Fanqi Noah Yuan, Kenji Watanabe, Takashi Taniguchi, Rafael M. Fernandes, Liang Fu, and Pablo Jarillo-Herrero
arXiv:2004.04148

Recommended with a commentary by T. Senthil, Massachusetts Institute of Technology
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DOI: 10.36471/JCCM_May_2020_03
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Quantum scars and partial breaking of ergodicity

1. Probing many-body dynamics on a 51-atom quantum simulator
Authors: Hannes Bernien, Sylvain Schwartz, Alexander Keesling, Harry Levin, Ahmed Omran, Hannes Pichler, Soonwon Choi, Alexander S. Zibrov, Manuel Endres, Markus Greiner, Vladan Vuletić and Mikhail D. Lukin
Nature 551, 579-584 (2017); DOI: 10.1038/nature24622
arXiv:1707.04344

2. Weak ergodicity breaking from quantum many body scars
Authors: C. J. Turner, A. A. Michailidis, D. A. Abanin, M. Serbyn, and Z. Papić
Nature Physics 14, 745-749 (2018); DOI: 10.1038/s41567-018-0137-5
arXiv:1711.03528

Recommended with a commentary by Rahul Nandkishore, University of Colorado at Boulder
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DOI: 10.36471/JCCM_April_2020_01
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Disclination Loops as Fundamental Excitations in Three-Dimensional Active Matter

1. Topological structure and dynamics of three-dimensional active nematics
Authors: G. Duclos, R. Adkins, D. Banerjee, M. S. E. Peterson, M. Varghese, I. Kolvin, A. Baskaran, R. A. Pelcovits, T. R. Powers, A. Baskaran, F. Toschi, M. F. Hagan, S. J. Streichan, V. Vitelli, D. A. Beller, and Z. Dogic
Science 367, 1120 (2020); DOI: 10.1126/science.aaz4547

2. Three-Dimensional Active Defect Loops
Authors: Jack Binysh, Žiga Kos, Simon Čopar, Miha Ravnik, and Gareth P. Alexander
Phys. Rev. Lett. 124, 088001 (2020); DOI: 10.1103/PhysRevLett.124.088001

Recommended with a commentary by Jonathan V. Selinger, Kent State University
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DOI: 10.36471/JCCM_April_2020_02
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Fragility in time-reversal protected topological phases

Time’s Arrow and the Fragility of Topological Phases
Authors: Max McGinley and Nigel R. Cooper
arXiv:2003.08120

Recommended with a commentary by Michael Zaletel, University of California, Berkeley
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DOI: 10.36471/JCCM_April_2020_03
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Arrest in Coarsening in Biological Liquid-Liquid Phase Separation – or – ‘It ain’t necessarily so …’

1. Hydrodynamically Interrupted Droplet Growth in Scalar Active Matter
Authors: Rajesh Singh and M. E. Cates
Phys. Rev. Lett. 123, 148005 (2019), DOI:10.1103/PhysRevLett.123.148005

2. Physics of active emulsions
Authors: Christoph A Weber, David Zwicker, Frank Jülicher, and Chiu Fan Lee
Rep. Prog. Phys. 82, 064601 (2019), DOI:10.1088/1361-6633/ab052b

Recommended with a commentary by Tom McLeish, University of York
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DOI: 10.36471/JCCM_March_2020_01
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Symmetry indicators for topological superconductors

1. Refined symmetry indicators for topological superconductors in all space groups
Authors: S. Ono, H. C. Po, and H. Watanabe
arXiv:1909.09634

2. Symmetry-based indicators for topological Bogoliubov-de Gennes Hamiltonians
Authors: M. Geier, P. W. Brouwer and L. Trifunovic
arXiv:1910.11271

Recommended with a commentary by Raquel Queiroz and Ady Stern, Weizmann Institute of Science
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DOI: 10.36471/JCCM_March_2020_02
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Compositional Levy Flights

Selection-like biases emerge in population models with recurrent jackpot events
Authors: Oskar Hallatschek
Genetics 210, 1053 (2018); DOI: 10.1534/genetics.118.301516

Recommended with a commentary by Kirill S. Korolev, Boston University
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DOI: 10.36471/JCCM_February_2020_01
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Topological Superconductivity in a Phase-Controlled Quasi-one-dimensional planar Josephson-Junction

1. Evidence of topological superconductivity in planar Josephson junctions
Authors: Antonio Fornieri, Alexander M. Whiticar, F. Setiawan, Elías Portolés, Asbjørn C. C. Drachmann, Anna Keselman, Sergei Gronin, Candice Thomas, Tian Wang, Ray Kallaher, Geoffrey C. Gardner, Erez Berg, Michael J. Manfra, Ady Stern, Charles M. Marcus, and Fabrizio Nichele
Nature 569, 89-92 (2019); DOI: 10.1038/s41586-019-1068-8

2. Topological Superconductivity in a Phase-Controlled Josephson Junction
Authors: Hechen Ren, Falko Pientka, Sean Hart, Andrew T. Pierce, Michael Kosowsky, Lukas Lunczer, Raimund Schlereth, Benedikt Scharf, Ewelina M. Hankiewicz, Laurens W. Molenkamp, Bertrand I. Halperin, and Amir Yacoby
Nature 569, 93-98 (2019); DOI: 10.1038/s41586-019-1148-9

Recommended with a commentary by Yuval Oreg, Weizmann Institute of Science
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DOI: 10.36471/JCCM_February_2020_02
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Lightly doped SrTiO3: A challenge to conventional solid state theory

1. Heavy non-degenerate electrons in doped strontium titanate
Authors: Clément Collignon, Phillipe Bourges, Benoît Fauqué, and Kamran Behnia
arXiv:2001.04668

2. Scalable T2 resistivity in a small single-component Fermi surface
Authors: Xiao Lin, Benoît Fauqué, and Kamran Behnia
Science 349, 945 (2015); DOI: 10.1126/science.aaa8655

Recommended with a commentary by Peter Wölfle, Karlsruhe Institute of Technology
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DOI: 10.36471/JCCM_February_2020_03
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Frustrated packing of trees

Entropic Effects in Cell Lineage Tree Packings
Authors: Jasmin Imran Alsous, Paul Villoutreix, Norbert Stoop, Stanislav Y. Shvartsman, and Jörn Dunkel
Nature Physics, 14, 1016 (2018), DOI: 10.1038/s41567-018-0202-0

Recommended with a commentary by Alexander Y. Grosberg, New York University
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DOI: 10.36471/JCCM_January_2020_01
https://doi.org/10.36471/JCCM_January_2020_01

Conformal bootstrap and the λ-point specific heat experimental anomaly

Carving out OPE space and precise O(2) model critical exponents
Authors: Shai M. Chester, Walter Landry, Junyu Liu, David Poland, David Simmons-Duffin, Ning Su, and Alessandro Vichi
arXiv:1912.03324

Recommended with a commentary by Slava Rychkov, IHES (Bures-sur-Yvette)
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DOI: 10.36471/JCCM_January_2020_02
https://doi.org/10.36471/JCCM_January_2020_02

Fermi arcs tie the knot

1. Cyclotron orbit knot and tunable-field quantum Hall effect
Authors: Yi Zhang
Phys. Rev. Research 1, 022005(R) (2019); DOI: 10.1103/PhysRevResearch.1.022005

2. Quantum Hall effect based on Weyl orbits in Cd3As2
Authors: Cheng Zhang, Yi Zhang, Xiang Yuan, Shiheng Lu, Jinglei Zhang, Awadhesh Narayan, Yanwen Liu, Huiqin Zhang, Zhuoliang Ni, Ran Liu, Eun Sang Choi, Alexey Suslov, Stefano Sanvito, Li Pi, Hai-Zhou Lu, Andrew C. Potter, and Faxian Xiu
Nature, Vol 565, pg 331 (2019); DOI: 10.1038/s41586-018-0798-3

Recommended with a commentary by Ashvin Vishwanath, Harvard University
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DOI: 10.36471/JCCM_January_2020_03
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